CN208535552U - 3D printing welding structure - Google Patents

Abstract

The utility model provides 3D printing welding structure, is related to welding product technical field, the technical issues of micropore is unfavorable for welding occurs to solve existing printing shaping.It is related to a kind of 3D printing welding structure, it include: the integrally formed weldment of 3D printing, welding surface and printing table top are provided on the weldment, to add surplus for eliminating the machine of pore defect between printing table top and the welding surface, it is suitable for the shape and size of welding that the machine, which adds surplus that can be machined to,.Using the technical solution of the utility model, the technical issues of being able to solve the molding weldment of 3D printing there are micropores.

Description

3D printing welding structure

Technical field

The utility model relates to welding product technical fields, more particularly, to a kind of 3D printing welding structure.

Background technique

In the prior art, 3D printing is limited by molding equipment size, is unable to the product of one-pass molding larger size, in order to This problem is solved, many products can be processed by the way of 3D printing+welding, after the completion of product 3D printing, be passed through Support → manual grinding → sandblasting is gone, the pretreatment of product is completed, welding fabrication is then carried out, subsequent beat is carried out after welding Mill or machining.

The molding product of 3D printing is carried out, since product does not carry out machining processes, supporting surface surface is more coarse, After polishing, many micropores (go support not exclusively or support is gone to take away bulk material cause), these micropores be distributed it is intensive, The features such as aperture is smaller and easy blocking, cannot completely this some holes be cleared up by the modes such as leading to be cleared up using sandblasting or compressed air Completely (powder, greasy dirt, residue etc.), when welding, these micropores will form various stomatas, forms welding defect, influences to connect Head performance.Because these can not be completely removed, therefore can not pass through repair welding due to micropore caused by supporting by simply polishing Mode eliminates defect.If welding position is defective after polishing, repair welding is carried out to defective locations, but the same position is mended The number of weldering is no more than 3 times, if welding 3 times still have defect, product is directly scrapped.

Thus, in order to solve above-mentioned gas hole defect, the 3D printing welding structure that micropore can be reduced by designing one kind has very much It is necessary.

The information disclosed in the background technology section is intended only to deepen the reason to the general background technology of the utility model Solution, and it is known to those skilled in the art existing to be not construed as recognizing or imply that the information is constituted in any form Technology.

Utility model content

The purpose of this utility model is to provide a kind of 3D printing welding structures, occur to avoid the molding product of 3D printing The problem of excessive micropore.

3D printing welding structure provided by the utility model, comprising: the integrally formed weldment of 3D printing, the weldment On be provided with welding surface and printing table top, between printing table top and the welding surface be add for eliminating the machine of pore defect Surplus, it is suitable for the shape and size of welding that the machine, which adds surplus that can be machined to,.

Based on the above technical solution, further, it in 3D printing forming process, is provided in the printing table top It is used to support the support construction of printing shaping structure, the printing column for adding surplus with the machine is molded in the support construction Body.

On the basis of any of the above-described technical solution, further, after 3D printing molding, the support construction, shape are taken out The integral weldment for adding surplus with the machine.

On the basis of any of the above-described technical solution, further, the machine, which adds, to be provided in surplus for being machined Processing department, the processing department includes at least the radial processing department of radial slack, the circumferential processing department of circumferential surplus, axial surplus Axial processing department, one in the width direction processing department of the length direction processing department of length surplus or width surplus.

On the basis of any of the above-described technical solution, further, the weldment uses metal material printing shaping.

On the basis of any of the above-described technical solution, further, the weldment is arranged in pairs, each weldment It is provided with the welding surface, the welding surface of two weldments welds to form the integral structure with weld seam.

On the basis of any of the above-described technical solution, further, the overall size of the type cylinder and the welding The overall size in face is adapted.

On the basis of any of the above-described technical solution, further, the printed material of the weldment is aluminium alloy.

On the basis of any of the above-described technical solution, further, the printed material of the type cylinder and the welding The printed material of part is identical.

On the basis of any of the above-described technical solution, further, the structure of the weldment be can have any shape, weldering Junction can be set in arbitrary face, and machine is arranged on needing the face for carrying out welding processing and adds surplus, convenient for adding surplus to carry out in machine Machining molds shape and size convenient for welding.

On the basis of any of the above-described technical solution, further, the shape of the type cylinder and the welding surface phase It adapts to.

3D printing welding structure provided by the utility model has the advantage that as follows:

Using 3D printing welding structure provided by the utility model, including the integrally formed weldment of 3D printing, the weldering Welding surface and printing table top are provided on fitting, for for eliminating pore defect between printing table top and the welding surface Machine adds surplus, and it is suitable for the shape and size of welding that the machine, which adds surplus that can be machined to,；Using the technical program, 3D is utilized Printer carries out printing shaping to preset weldment, in forming process, machine is arranged on preset welding surface and adds surplus, needs Illustrate, the machine of the technical program, which adds surplus to be predominantly represented as, can be radial convenient for the excess dimensions of further processing Size, lengthwise dimension, width direction size, axial dimension, circumferential size or any direction need to be arranged the remaining of welding surface It takes measurements, so that micropore present in printing shaping process is located between preset welding surface and printing table top, avoids being printed as The micropore generated during type influences welding quality, after weldment molding, progress in surplus can be added corresponding mechanical in the machine Processing, to mold the size of the weldment finally needed.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it can also be obtained according to these attached drawings other attached drawings.

Fig. 1 is the axis side structure schematic diagram of the welded part 1 of 3D printing provided by the embodiment of the utility model；

Fig. 2 is the axis side structure schematic diagram of the welded part 2 of 3D printing provided by the embodiment of the utility model；

Fig. 3 is the axis side section knot after the welded part 1 of 3D printing provided by the embodiment of the utility model cooperates with part 2 Structure schematic diagram.

Drawing reference numeral:

100- welding structure；

101- welding surface；102- prints table top；103- machine adds surplus.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill all other embodiment obtained without making creative work belongs to practical Novel protected range.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the mechanism of indication or suggestion meaning or element must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

Embodiment

As shown in Figure 1 to Figure 3, a kind of corresponding construction schematic diagram of 3D printing welding structure 100 is present embodiments provided, is had Body, 3D printing welding structure 100 provided in this embodiment includes: the integrally formed weldment of 3D printing, on the weldment It is provided with welding surface 101 and printing table top 102, for for eliminating micropore between the printing table top 102 and the welding surface 101 The machine of defect adds surplus 103, and it is suitable for the shape and size of welding that the machine, which adds surplus 103 that can be machined to,.

It should be noted that being the knot for 3D printing molding part 1 and part 2 of the present embodiment as depicted in figs. 1 and 2 Structure schematic diagram, specifically, being preset with the Data Position of welding surface 101 before the molding of part 1, in practical print procedure, reaching should Continue to print after welding surface 101, molding is above-mentioned machine between printing table top 102 and welding surface 101 to printing table top 102 Add surplus 103, which adds the setting of surplus 103 to be in order to avoid the micropore occurred in 3D printing forming process influences welding effect The problem of.

In the scheme of the present embodiment, in 3D printing forming process, it is provided in the printing table top 102 and is used to support printing The support construction of molding structure molds the type cylinder for adding surplus 103 with the machine in the support construction.

In fact, general welding surface 101 is hanging table top, then in order to make in carrying out 3D printing forming process The hanging table top printing shaping needs that the support construction for being used to support printing shaping structure is arranged, then in the support construction On continue 3D printing, to mold the required type cylinder with organic plus surplus 103.

It is to be herein pointed out the structure outline size needs of type cylinder are set according to practical printing demand, Bonding machine is needed to add the part of surplus 103 during setting.

In the scheme of the present embodiment, after 3D printing molding, the support construction is taken out, being formed integrated there is the machine to add The weldment of surplus 103.

It should be noted that the 3D printing welding structure 100 of the present embodiment, needs in 3D printing forming process using upper The support construction stereotyped structure stated, to prevent from collapsing in print procedure.

In the scheme of the present embodiment, the machine adds the processing department being provided in surplus 103 for machining, the processing Portion includes at least the radial processing department of radial slack, the circumferential processing department of circumferential surplus, axial processing department, the length of axial surplus One in the length direction processing department of surplus or the width direction processing department of width surplus.

It should be noted that 3D printing welding structure 100 provided in this embodiment, is arranged organic add on welding surface 101 Surplus 103, the machine add the form of surplus 103 to be set according to the demand of weldment, can be external exposed structure, can also Think the internal groove structure opened up, or, or warp architecture can be the surplus knot of above-mentioned any direction setting Structure.

In the scheme of the present embodiment, the weldment uses metal material printing shaping.

It should be pointed out that the weldment of the present embodiment can use aluminium alloy, stainless steel and any metal material.

In the scheme of the present embodiment, the weldment is arranged in pairs, and each weldment is provided with the weldering The welding of welding surface 101 of junction 101, two weldments forms the integral structure for having weld seam.

It should be pointed out that in conjunction with Fig. 1, Fig. 2 and Fig. 3 it is found that for needing to be welded to each other for molding weldment, it can By all by 3D printing in a manner of form, while under the setting that machine adds surplus 103, to welding structure 100 after molding into Row machining, for example, as shown in Figure 1, by 1 welding surface 101 of part bias 2mm, while by inner circumferential diameter by 10.5mm more It is changed to 11mm, welding surface 101, by machining, removes altitude margin, it is ensured that when welding after removing support construction The length dimension of entire product.Circumferential diametrical direction is machined after processing, it is ensured that the positioning before welding Assembly precision guarantees the product quality after welding.

Specifically, type cylinder, i.e. machine add the shape of surplus 103 and welding surface 101 to be adapted.

In the scheme of the present embodiment, the overall size of the type cylinder and the overall size of the welding surface 101 are mutually fitted Match.In the scheme of the present embodiment, the printed material of the weldment is aluminium alloy.In the scheme of the present embodiment, the printing column The printed material of body is identical as the printed material of the weldment.In the scheme of the present embodiment, the structure of the weldment can be with For arbitrary shape, welding surface 101 be can be set in arbitrary face, and machine is arranged on needing the face for carrying out welding processing and adds surplus 103, Convenient for adding surplus 103 to be machined in machine, shape and size convenient for welding are molded.Using 3D provided in this embodiment Welding structure 100, including the integrally formed weldment of 3D printing are printed, welding surface 101 and printing are provided on the weldment Table top 102 adds surplus 103, institute for eliminating the machine of pore defect between printing table top 102 and the welding surface 101 It is suitable for the shape and size of welding that the machine of stating, which adds surplus 103 that can be machined to,；Using the technical program, 3D printer pair is utilized Preset weldment carries out printing shaping, in forming process, machine is arranged on preset welding surface 101 and adds surplus 103, needs Bright, the machine of the technical program, which adds surplus 103 to be predominantly represented as, can be radial convenient for the excess dimensions of further processing Size, lengthwise dimension, width direction size, axial dimension, circumferential size or any direction need to be arranged welding surface 101 Excess dimensions are kept away so that micropore present in printing shaping process is located between preset welding surface 101 and printing table top 102 Exempting from the micropore generated in printing shaping process influence welding quality can add in the machine and carry out in surplus 103 after weldment molding Corresponding machining, to mold the size of the weldment finally needed.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of 3D printing welding structure characterized by comprising the integrally formed weldment of 3D printing, on the weldment It is provided with welding surface and printing table top, for for eliminating more than the machine of pore defect adds between printing table top and the welding surface Amount, it is suitable for the shape and size of welding that the machine, which adds surplus that can be machined to,.

2. 3D printing welding structure according to claim 1, which is characterized in that in 3D printing forming process, beaten described Ink pad face is provided with the support construction for being used to support printing shaping structure, molds in the support construction and adds with the machine The type cylinder of surplus.

3. 3D printing welding structure according to claim 2, which is characterized in that after 3D printing molding, take out the support Structure forms the integrated weldment for adding surplus with the machine.

4. 3D printing welding structure according to claim 3, which is characterized in that the machine, which adds, to be provided in surplus for machine The processing department of tool processing, the processing department include at least the radial processing department of radial slack, the circumferential processing department of circumferential surplus, axis One into the width direction processing department of the axial processing department of surplus, the length direction processing department of length surplus or width surplus It is a.

5. 3D printing welding structure according to claim 4, which is characterized in that the weldment is printed using metal material Molding.

6. according to the described in any item 3D printing welding structures of claim 2-4, which is characterized in that the weldment is set in pairs It sets, each weldment is provided with the welding surface, and the welding surface of two weldments welds to be formed with weldering The integral structure of seam.

7. 3D printing welding structure according to claim 2, which is characterized in that the overall size of the type cylinder and institute The overall size for stating welding surface is adapted.

8. 3D printing welding structure according to claim 2, which is characterized in that the printed material of the weldment is aluminium conjunction Gold.

9. 3D printing welding structure according to claim 2, which is characterized in that the printed material of the type cylinder and institute The printed material for stating weldment is identical.

10. 3D printing welding structure according to claim 2, which is characterized in that the shape of the type cylinder with it is described Welding surface is adapted.